<template>
    <Dialog v-model="dialogVisible" title="批量导入" width="400">
        <el-upload ref="uploadRef" v-model:file-list="fileList" action="none" :auto-upload="false"
            :disabled="formLoading" :headers="uploadHeaders" :limit="1" :on-error="submitFormError"
            :on-exceed="handleExceed" :on-success="submitFormSuccess" accept=".xlsx, .xls" drag>
            <Icon icon="ep:upload" />
            <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
            <template #tip>
                <div class="el-upload__tip text-center">
                    <div class="el-upload__tip">
                        <el-checkbox v-model="updateSupport" />
                        是否更新已经存在的党员数据
                    </div>
                    <span>仅允许导入 xls、xlsx 格式文件。</span>
                </div>
            </template>
        </el-upload>
        <template #footer>
            <el-button :disabled="formLoading" type="primary" @click="submitForm">确 定</el-button>
            <el-button @click="dialogVisible = false">取 消</el-button>
        </template>
    </Dialog>
</template>
<script lang="ts" setup>
import partyManageApi from '@/api/spb/organizationManage/partyManage'
import { getAccessToken, getTenantId } from '@/utils/auth'

defineOptions({ name: 'SystemUserImportForm' })

const message = useMessage() // 消息弹窗

const dialogVisible = ref(false) // 弹窗的是否展示
const formLoading = ref(false) // 表单的加载中
const uploadRef = ref()
const uploadHeaders = ref() // 上传 Header 头
const fileList = ref([]) // 文件列表
const updateSupport = ref(false) // 是否更新已经存在的用户数据

/** 打开弹窗 */
const open = () => {
    dialogVisible.value = true
    fileList.value = []
    resetForm()
}
defineExpose({ open }) // 提供 open 方法，用于打开弹窗

const emits = defineEmits(['success'])
/** 提交表单 */
const submitForm = async () => {
    if (fileList.value.length == 0) {
        ElMessage.error('请上传文件')
        return
    }
    // 提交请求
    uploadHeaders.value = {
        Authorization: 'Bearer ' + getAccessToken(),
        'tenant-id': getTenantId()
    }
    formLoading.value = true
    const formData = new FormData()
    formData.append('updateSupport', updateSupport.value)
    // fileList.value.forEach((file) => {
    //   formData.append('file', file.raw)
    // })
    formData.append('file', fileList.value[0].raw)
    await partyManageApi.importPartyManage(formData)
    ElMessage.success('导入成功！')
    emits('success')
    resetForm()
    dialogVisible.value = false
}

/** 文件上传成功 */
const submitFormSuccess = (response: any) => {
    if (response.code !== 0) {
        message.error(response.msg)
        formLoading.value = false
        return
    }
    // 拼接提示语
    const data = response.data
    let text = '上传成功数量：' + data.createUsernames.length + ';'
    for (let username of data.createUsernames) {
        text += '< ' + username + ' >'
    }
    text += '更新成功数量：' + data.updateUsernames.length + ';'
    for (const username of data.updateUsernames) {
        text += '< ' + username + ' >'
    }
    text += '更新失败数量：' + Object.keys(data.failureUsernames).length + ';'
    for (const username in data.failureUsernames) {
        text += '< ' + username + ': ' + data.failureUsernames[username] + ' >'
    }
    message.alert(text)
    // 发送操作成功的事件
    emits('success')

}

/** 上传错误提示 */
const submitFormError = (): void => {
    message.error('上传失败，请您重新上传！')
    formLoading.value = false
}

/** 重置表单 */
const resetForm = () => {
    // 重置上传状态和文件
    formLoading.value = false
    uploadRef.value?.clearFiles()
}

/** 文件数超出提示 */
const handleExceed = (): void => {
    message.error('最多只能上传一个文件！')
}

</script>